Iridium Pro Spark Plug Audi RS6 / RS7 / RS5 / SQ7, Porsche 911 / 718 / Cayenne (EA825, EA839, 9A2; Heat Range 10) – APR Z1004081

An iridium spark plug in heat range 10 for tuned, high-boost engines. It runs colder than stock (two steps on the 4.0 TFSI EA825, one step on the EA839 and Porsche 9A2) and resists pre-ignition better than OE plugs.

Fits engines EA825 (4.0 TFSI), EA839 (2.9 / 3.0 TFSI V6) and Porsche 9A2. The brand lists Audi A6, A7, A8, Q7, Q8, RS Q8, RS5, RS6, RS7, S4, S5, S6, S7, SQ5, SQ7 and SQ8, plus Bentley, Lamborghini Urus and Porsche 718, 911, Cayenne, Macan and Panamera. No years are given, so check your engine code.

• 12 mm thread, 26.5 mm reach, 14 mm hex, gasket seat
• Supplied gap 0.55 mm, torque 17 Nm

In the box: one spark plug (order one per cylinder).